Home / 8,247.57-11,380.74-4,710.11

Finding the Fourth Proportional to 8,247.57, 11,380.74 and 4,710.11

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Solution

The fourth proportional to 8,247.57, 11,380.74 and 4,710.11 is: 6,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.57 : 11,380.74 = 4,710.11 : x
  2. Step 2: Convert to fraction form
    8,247.57/11,380.74 = 4,710.11/x
  3. Step 3: Cross multiply
    8,247.57x = 11,380.74 × 4,710.11
  4. Step 4: Simplify right side
    8,247.57x = 53,604,480.38
  5. Step 5: Solve for x
    x = 53,604,480.38/8,247.57
  6. Step 6: Final answer
    x = 6,499.43

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.